feat: 實作機台日誌核心功能與 IoT 高併發處理架構

app/Models/Member/GiftDefinition.php

@@ -0,0 +1,53 @@
+<?php
+
+namespace App\Models\Member;
+
+use Illuminate\Database\Eloquent\Factories\HasFactory;
+use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
+use Illuminate\Database\Eloquent\Relations\HasMany;
+
+class GiftDefinition extends Model
+{
+    use HasFactory;
+
+    protected $fillable = [
+        'name',
+        'type',
+        'value',
+        'tier_id',
+        'trigger',
+        'validity_days',
+        'is_active',
+    ];
+
+    protected $casts = [
+        'value' => 'decimal:2',
+        'validity_days' => 'integer',
+        'is_active' => 'boolean',
+    ];
+
+    /**
+     * 適用等級
+     */
+    public function tier(): BelongsTo
+    {
+        return $this->belongsTo(MembershipTier::class, 'tier_id');
+    }
+
+    /**
+     * 發放紀錄
+     */
+    public function memberGifts(): HasMany
+    {
+        return $this->hasMany(MemberGift::class);
+    }
+
+    /**
+     * 有效禮品
+     */
+    public function scopeActive($query)
+    {
+        return $query->where('is_active', true);
+    }
+}